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How to Update Multiple Array Elements in mongodb

...At this moment it is not possible to use the positional operator to update all items in an array. See JIRA http://jira.mongodb.org/browse/SERVER-1243 As a work around you can: Update each item individually (events.0.handled events.1.handled ...) or... Read the document, do the edits manually and ...
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How to escape special characters in building a JSON string?

...Tab \" Double quote \\ Backslash character However, even if it is totally contrary to the spec, the author could use \'. This is bad because : It IS contrary to the specs It is no-longer JSON valid string But it works, as you want it or not. For new readers, always use a double quote...
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

... _Layout.cshtml has something like this: @RenderSection("scripts") Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): @{ ViewBag.Title = "Title"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section scripts{ ...
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Can I access constants in settings.py from templates in Django?

...neric views, and many of the core and contrib apps, additional context is called extra_context, and very often it is included in the view's arguments. – Soviut Jun 1 '09 at 1:33 ...
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?

... When do I need to release the loaded object? No alloc was called, so I would assume it is autorelased? – Marc Apr 16 '12 at 13:08 7 ...
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JSON.net: how to deserialize without using the default constructor?

... [JsonConstructor] attribute to the constructor that you want Json.Net to call. [JsonConstructor] public Result(int? code, string format, Dictionary<string, string> details = null) { ... } It is important that the constructor parameter names match the corresponding property names of the...
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How to convert vector to array

...making a pointer that points to the actual array the vector is using internally. If you want to copy GMan's answer explains how – Michael Mrozek May 27 '10 at 17:22 4 ...
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Using a ListAdapter to fill a LinearLayout inside a ScrollView layout

... You probably should just manually add your items to LinearLayout: LinearLayout layout = ... // Your linear layout. ListAdapter adapter = ... // Your adapter. final int adapterCount = adapter.getCount(); for (int i = 0; i < adapterCount; i++) { Vi...
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Referring to the null object in Python

... SyntaxError: cannot assign to keyword It's therefore safe to assume that all None references are the same. There isn't any "custom" None. To test for None use the is operator When writing code you might be tempted to test for Noneness like this: if value==None: pass Or to test for falsehood l...
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How to display count of notifications in app launcher icon [duplicate]

...("vanilla" android without custom launchers and touch interfaces) does not allow changing of the application icon, because it is sealed in the .apk tightly once the program is compiled. There is no way to change it to a 'drawable' programmatically using standard APIs. You may achieve your goal by us...